This treatment has been described as effective by numerous people. The classic teeth whitening does not work on all teeth, especially if they are gray, as the effect is not visible, and it is only more effective when it comes to yellowish teeth.

What Does Your Tongue Say About Your Health Infographic

Infographic: Your Tongue and Health Note: Not a medical diagnosis, just a general guide! Ridges can mean tongue SWELLING and could be serious if swelling increases. Call a nurse or doctor with questions!